Sort the files in the PBXBuildFile and PBXFileReference sections of lldb's xcode project file to reduce automerger issues with the github swift repository of lldb where  the order of these entries has drifted significantly over the years.
Sort the files in the PBXBuildFile and PBXFileReference
sections of lldb's xcode project file to reduce automerger
issues with the github swift repository of lldb where 
the order of these entries has drifted significantly
over the years.


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@334872 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb